Adoptable pets on Facebook: You can already search Petfinder pets on IAMS’s Facebook page. IAMS has also been posting pet-adoption Happy Tails on Facebook, and will change its profile photo to an Adopt the Internet Day graphic on March 15.

Wall of Fame: Each day next week, AnimalPlanet.com will post an adorable Petfinder pet on its Wall of Fame.

Adoption-story contests:The Rabbit Advocate is calling for rabbit-adoption stories and Oz the Terrier of A Canine Opines is asking for poems about pet adoption. The editors will post their favorites on March 15.

Free pet-health advice: VetLIVE.com will give free veterinary consultations to four winners who pledge to spread the word about pet adoption — but only if 100 people or more take the pledge — so do it!

A year of pets:All Things Dog Blog is starting a weekly “adoptable pet” feature to run at least a year.